Kohler Vertical Crankshaft Engine CV12

Is the electrolyte level within the recommended range?

Add distilled water if necessary

Ensure the battery is not overfilled

Keep cables, terminals, and external surfaces clean

Wash cables, terminals, and external surfaces with baking soda and water solution

Rinse thoroughly with clear water

Remove the starter from the engine and remove the dust cover.

Hold the drive pinion in a vice with soft jaws when removing and installing the stop nut.

Ensure the vise is not overtightened to avoid distorting the drive pinion.

Remove the stop nut, stop gear spacers, anti-drift spring, dust cover spacer, and drive pinion.

Clean the splines on drive shaft thoroughly with solvent and dry them.

Apply Kohler electric starter drive lubricant to the splines.

Apply Loctite® No. 271 to the stop nut threads.

Install the drive pinion, dust cover spacer, anti-drift spring, stop gear spacer, and stop nut.

Clean the area around the base of the spark plug

Blow out the cavity with compressed air

Spark Plug Removal and Inspection

Check the condition of the spark plug

Is the spark plug worn or questionable for reuse?

Replace the spark plug if necessary

Clean the external surfaces as necessary

Drain the oil from the engine crankcase.

Remove the oil filter drain plug (where applicable) located at the base of the oil filter adapter and allow the oil filter to drain.

Old Filter Removal and Preparation

Remove the old filter and wipe off the filter adapter.

Torque the oil filter drain plug to 7.3-9.0 N·m (65-80 in. lb.).

Place a new replacement filter in a shallow pan with the open end up.

Pour new oil into the filter until it reaches the bottom of the threads.